Harman US

Forest, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Forest, a village in Hardin County, Ohio.

Overnight
62°F
Chance Light Rain
A chance of rain after 4am. Mostly cloudy, with a low around 62. South wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Forest

WhenTempForecastWindPrecip
Overnight 62°F Chance Light Rain 16 to 20 mph S 40%
Wednesday 65°F Light Rain 22 mph S 96%
Wednesday Night 51°F Light Rain then Mostly Cloudy 10 to 20 mph SW 77%
Thursday 61°F Partly Sunny 10 to 17 mph SW 0%
Thursday Night 47°F Slight Chance Light Rain 6 to 10 mph SW 17%
Friday 54°F Chance Light Rain 6 to 12 mph W 51%
Friday Night 39°F Chance Light Rain 12 mph NW 51%
Saturday 51°F Partly Sunny 12 mph NW 8%
Saturday Night 34°F Partly Cloudy 5 to 8 mph W 3%
Sunday 54°F Mostly Sunny 7 to 14 mph W 6%
Sunday Night 35°F Mostly Clear 7 to 10 mph W 6%
Monday 57°F Sunny 7 to 12 mph W 3%
Monday Night 39°F Mostly Clear 7 to 10 mph SW 2%
Tuesday 61°F Sunny 9 to 13 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Forest (40.804, -83.515). Updated through the day.

Growing snapshot for Forest

Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
182 days
Hardiness zone
6a

More local growing data for Forest: nearby ZIP 45843 weather · frost dates · planting calendar · Ohio frost dates

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Climate data from the nearest NOAA station, Kenton, Oh (10 mi from Forest). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.